<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    label {
      padding-right: 10px;
      font-size: 1rem;
    }

    #file {
      width: 300px;
      height: 50px;
    }

    /* 
    progress {
      width: 300px;
      height: 50px;
      color: rgb(7, 151, 247);
      border-radius: 1rem;
      border: solid 1px rgb(4, 150, 248);
    } */

    /* 表示总长度背景色 */
    progress::-webkit-progress-bar {
      background-color: red;
      /* border-radius: 1rem; */
    }

    /* 表示已完成进度背景色 */
    progress::-webkit-progress-value {
      background-color: rgb(7, 151, 247);
      /* border-radius: 1rem; */
    }
  </style>
</head>

<body>
  <label for="file">File progress:</label>

  <progress id="file" max="100" value="70">123</progress>
</body>

</html>